1974816047 has 2 divisors, whose sum is σ = 1974816048. Its totient is φ = 1974816046.

The previous prime is 1974816023. The next prime is 1974816073. The reversal of 1974816047 is 7406184791.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1974816047 - 2²⁶ = 1907707183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1974815992 and 1974816010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1974816007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987408023 + 987408024.

It is an arithmetic number, because the mean of its divisors is an integer number (987408024).

Almost surely, 2^1974816047 is an apocalyptic number.

1974816047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974816047 is an equidigital number, since it uses as much as digits as its factorization.

1974816047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 1974816047 is about 44438.9024054375. The cubic root of 1974816047 is about 1254.6103978393.

The spelling of 1974816047 in words is "one billion, nine hundred seventy-four million, eight hundred sixteen thousand, forty-seven".